Solve the quadratic equation by completing the square. x2 + 4x - 3 = 0

asked May 25, 2019 106k views

4 votes

Solve the quadratic equation by completing the square.

x2 + 4x - 3 = 0

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2 votes

Answer:

x² + 4x - 3 = 0

x² + 4x = 3

x² + 4x + 4 = 7

(x + 2)² = 7

x + 2 = ±√7

x = -2 ± √7

Homerman answered May 30, 2019

8.2k points

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